US4351556A - Seat suspension - Google Patents
Seat suspension Download PDFInfo
- Publication number
- US4351556A US4351556A US06/105,631 US10563179A US4351556A US 4351556 A US4351556 A US 4351556A US 10563179 A US10563179 A US 10563179A US 4351556 A US4351556 A US 4351556A
- Authority
- US
- United States
- Prior art keywords
- seat
- vehicle
- suspension system
- chassis
- horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/502—Seat suspension devices attached to the base of the seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/506—Seat guided by rods
- B60N2/507—Parallelogram-like structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/509—Seat guided by slides or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/54—Seat suspension devices using mechanical springs
- B60N2/544—Compression or tension springs
Definitions
- This invention relates to a vehicle seat and more particularly to a tractor seat suspension to isolate the seat from the chassis for low frequencies vibrations of the vehicle chassis by a horizontal seat suspension on the vehicle.
- the vehicle seat is normally fixed with the vehicle chassis so that it moves horizontal with the movement of the chassis.
- the uneveness of terrain causing bouncing of the seat is cushioned by springs and shock absorbers, essentially this movement is in a vertical direction.
- this seat provides for the isolation of vibrations in the horizontal direction with the use of a counterweight, springs and a shock absorber.
- the isolation of the seat begins in a low frequency wave band in which high energy transmission is normally present in large tractors.
- the isolation of the vibrations in a horizontal direction improves the ride.
- a provision is also incorporated in the suspension, whereby the seat may be locked to the vehicle chassis in the horizontal direction.
- the isolation is accomplished over a wide band width to isolate the seat from the chassis in a horizontal direction.
- the objects of this invention are accomplished by providing a seat suspension system having horizontal reciprocating movement.
- a provision for locking the seat in one of a selected number of fore aft positions is also provided.
- a provision for locating the seat in a number of fore aft positions while allowing the isolator to operate is also provided.
- the horizontal suspension system provides for a combination of a counterweight, a damper and springs to selectively isolate the seat from the vehicle chassis.
- the isolation of the seat is predominately in the low band frequencies through a suspension system which has a low resonant frequency and also isolates at an antiresonant frequency immediately above the resonant frequency to improve isolation performance.
- Suspension system for the seat has a low transmissibility in this band width of frequencies. Accordingly, the isolating suspension system provides an improved ride since the energy is dissipated in the suspension system and the operator does not feel the vibrations of the vehicle chassis.
- FIG. 1 illustrates a partial cross-section view showing seat structure carried on the vehicle chassis and a portion of the seat structure carried with the seat pad.
- the partial cross-section view shows the relative position of the various parts;
- FIG. 2 is a view showing the underside of the seat pad and the components moving with the seat pad of the vehicle seat and the suspension system;
- FIG. 3 is a side elevation view of the seat showing a portion of the connecting structure between the seat pad and the seat structure carried on the vehicle chassis;
- FIG. 4 illustrates a graph showing the transmissibility of frequencies with a conventional fore aft seat suspension and with the fore aft seat suspension of the applicant's design.
- FIGS. 1, 2 and 3 show the structure of the seat.
- the vehicle chassis 1 supports the parallel linkage which include the two arms 2 and 3 pivotally mounted the support abutments 4 and 5.
- the parallel linkage 6 of which the links 2 and 3 are shown is also pivotally connected to the support bracket 7 which supports the plate 8.
- the vertical suspension system includes the spring 9 connected to the lower arm 2 and the spring 10 and shock absorber 11 for supporting the seat and isolating vertical vibration and dampening of vertical vibration between the chassis 1 and seat 12.
- the horizontal suspension system is essentially shown in FIG. 1 and FIG. 2.
- the plate 8 carries four linear bearings 13, 14, 15 and 16.
- the linear bearings 13 and 14 carry the shaft 17, while the linear bearings 15 and 16 carry the shaft 18.
- the linear bearings are mounted on the plate and provide a supporting structure for the shaft 17 and 18.
- the shaft 17 and 18 are carried on the plate 19.
- the shaft 17 is connected through the brackets 20 and 21, while the shaft 18 is connected through the brackets 22 and 23 to plate 19. Accordingly the shaft 17 and 18 can move axially in the linear bearings. They are restrained, however, by the horizontal suspension system 24 or the latch mechanism 25. Either of these mechanisms are selectively engaged to control the horizontal movement of the seat in the linear bearings.
- the suspension system 24 includes a weighted lever 26 carrying the weight 27 on its extreme end.
- the lever 26 is pivotally supported on the pin 28 and extends to support a cam roller 29, spring support 30, on the end of the lever 26.
- the springs 31 and 32 are connected to the pin 30 and are also fastened on their extreme ends by a pin 33 and 34.
- the springs 31 and 32 are springs of equal tension and spring rate and bias the lever 26 to the transverse or neutral position normal to the shaft 17 and 18 as shown.
- the lever 26 can be moved against the biasing force of the springs 31, 32 but normally returns to the neutral position as shown.
- the shock absorber 34 is pivotally connected by the pin 35 on the lever 26 and also pivotally connected by the pin 36 on its opposite end to the plate 8.
- the shock absorber 34 provides a damping means tending to resist the angular velocity of the lever.
- the latch 25 is formed with a slot 37 which receives the two pins 38 and 39 which are fastened to the plate 19.
- the latch 25 is selectively positioned in the extreme downward position as viewed in FIG. 1 for engaging the horizontal suspension system, wherein the cam roller 29 engages one of the latch openings 40, 41, 42, 43 and 44.
- the cam roller 29 is positioned in one of the latch openings the plate 19 and seat pad of seat 12 is controlled by the horizontal suspension system 50.
- the seat as shown in FIG. 3, provides for selectively operation for isolation of horizontal vibrations fore and aft as described above.
- the seat normally operates for isolation of vibrations from the vehicle chassis to the seat through a vertical suspension system 50, as shown.
- FIG. 4 A conventional fore aft seat suspension with shock absorbers and springs used to dampen the vibration transmission from the vehicle chassis to the seat is shown on the graph by line 60.
- the graph line 61 shows the operation of the applicant's invention. It is noted from the transmissibility curve that the applicant's design begins to isolate at a lower frequency than that of the conventional seat. This point is at a frequencie immediately above the resonant frequencies for which transmissibility is very high. With the conventional seat transmissibility decreases much more slowly. Accordingly, the frequencies in which high human sensitivity to vibration the vehicle chassis to the seat is approximately 1.0-2.5 Hertz. With the design of the applicant's invention, the transmissibility is low for these frequencies, thereby essentially isolating the seat from the vehicle chassis.
- the isolating range can be extended to a lower frequency without shifting the resonant frequency to an impractically low value.
- isolation in the 1.0-2.5 Hertz range, as required in off the road vehicles can be accomplished.
- the seat 12 is mounted on a vertical suspension system 50 and also a horizontal suspension system 24. This application primarily concerns itself with a horizontal suspension system and isolation of the seat from the vehicle chassis.
- the vehicle seat 12 can be locked in position so that the seat does not move fore and aft relative to the chassis.
- the locking is accomplished by the latch bracket 25 which is moved in the position so that the abutment 45 is received in one of the slots 40, 41, 42, 43 or 44. In this position, the suspension system is not used and the seat moves fore and aft with movements of the vehicle chassis. Accordingly, there is no isolation between the seat and chassis.
- the latch bracket 25 is moved to the position in which the roller 29 of the weighted lever 26 is received in one of the slots 40, 41, 42, 43, or 44. Since the latch bracket 25 is connected to the plate 19 under the seat pad 46, the seat pad is then moved in response to movement of the horizontal suspension system 24. Vibrations of the vehicle chassis are transmitted to the horizontal suspension system 26. Horizontal suspension 26 largely dissipates the vibrations above 1.0 Hertz. The vibrations are largely dissipated by the horizontal suspension system 24 by and springs the combined action of suspended mass counterweight and cancel each other out. The operator in the seat does not sense the the magnitude of vibrations being transmitted from the vehicle chassis to the horizontal suspension system 24, and accordingly, an improved ride is achieved with a suspension system as shown.
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/105,631 US4351556A (en) | 1979-12-20 | 1979-12-20 | Seat suspension |
CA000356880A CA1141644A (en) | 1979-12-20 | 1980-07-23 | Fore and aft seat suspension |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/105,631 US4351556A (en) | 1979-12-20 | 1979-12-20 | Seat suspension |
Publications (1)
Publication Number | Publication Date |
---|---|
US4351556A true US4351556A (en) | 1982-09-28 |
Family
ID=22306927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/105,631 Expired - Lifetime US4351556A (en) | 1979-12-20 | 1979-12-20 | Seat suspension |
Country Status (2)
Country | Link |
---|---|
US (1) | US4351556A (en) |
CA (1) | CA1141644A (en) |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4817908A (en) * | 1987-07-29 | 1989-04-04 | Joy Technologies Inc. | Seat suspension for underground mining machines |
US4828216A (en) * | 1987-06-26 | 1989-05-09 | Seats Incorporated | Floating knee pivot suspension |
US4949930A (en) * | 1987-06-26 | 1990-08-21 | Seats, Inc. | Floating knee pivot suspension |
EP0542618A1 (en) * | 1991-11-15 | 1993-05-19 | Milsco Manufacturing Company | Vehicle seat suspension with improved compression spring mounting |
US5651585A (en) * | 1994-02-25 | 1997-07-29 | Seats, Inc. | Knee action suspension seat |
US5873627A (en) * | 1996-08-07 | 1999-02-23 | Seats, Inc. | Knee action suspension control seat |
EP1170169A1 (en) * | 2000-07-07 | 2002-01-09 | Thomson Marconi Sonar Sas | Suspension device, in particular for a vehicle seat |
US6621694B2 (en) * | 2001-09-07 | 2003-09-16 | Harris Corporation | Vibration tolerant electronic assembly and related methods |
US7070153B1 (en) * | 2002-01-02 | 2006-07-04 | John Kevin Stenard | Shock-limiting interface, compact (SLIC) |
US20110181069A1 (en) * | 2010-01-26 | 2011-07-28 | Mark Kniffin | Active Suspension Seat Floor Plate |
US20110181087A1 (en) * | 2010-01-26 | 2011-07-28 | Mark Kniffin | Active Suspension Seat Skirt |
US8146899B2 (en) | 2008-01-22 | 2012-04-03 | Exmark Manufacturing Company, Incorporated | Isolation system for a seat or the like, and vehicle incorporating same |
US20120222930A1 (en) * | 2011-02-28 | 2012-09-06 | Cvg Management Corporation | Pneumatic operated fore/aft vibration isolator locking device |
EP2481630A3 (en) * | 2011-01-26 | 2014-05-21 | Grammer Ag | Vehicle vibration device, vehicle seat or interior or cabin of a vehicle |
CN104210387A (en) * | 2014-08-11 | 2014-12-17 | 东风汽车公司 | Novel anti-thunder hanging seat |
EP2848463A1 (en) * | 2013-09-02 | 2015-03-18 | Grammer Ag | Vehicle seat with horizontal damping device |
US9499204B1 (en) | 2015-05-05 | 2016-11-22 | The Toro Company | Suspension system and ride-on grounds maintenance vehicle incorporating same |
US9821689B2 (en) | 2016-01-06 | 2017-11-21 | Exmark Manufacturing Company, Incorporated | Operator platform suspension system for turf maintenance vehicle |
EP3388282A1 (en) * | 2017-04-11 | 2018-10-17 | Aguti Produktentwicklung & Design Gmbh | Device for adjusting the height of a vehicle seat |
US10371229B2 (en) | 2017-12-14 | 2019-08-06 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolator mechanism with adjustable force-deflection characteristics |
US20200070693A1 (en) * | 2018-08-28 | 2020-03-05 | Deere & Company | Seat suspension system with horizontal movement and dampening |
US10597092B2 (en) | 2017-12-21 | 2020-03-24 | The Toro Company | Work vehicle and suspension system for use with same |
US10677310B2 (en) | 2017-12-14 | 2020-06-09 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolator mechanism with adjustable force application mechanism |
US10864832B2 (en) | 2017-10-16 | 2020-12-15 | The Toro Company | Grounds maintenance vehicle with adjustable suspension system |
US11137045B2 (en) | 2017-12-14 | 2021-10-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolator with series and/or parallel conical disc spring member arrangements |
US20220299083A1 (en) * | 2021-03-18 | 2022-09-22 | Toyota Motor Engineering & Manufacturing North America, Inc. | Stacked Disk Spring Vibration Isolator with Increased Lateral Load Capacity |
US11485437B2 (en) | 2020-11-19 | 2022-11-01 | Toyota Motor Engineering & Manufacturing North America, Inc. | Bicycle saddle with vibration isolators |
US11565763B1 (en) | 2022-01-10 | 2023-01-31 | Toyota Motor Engineering & Manufacturing North America. Inc. | Bicycle saddle with spring-based vibration isolation |
US11603153B1 (en) | 2022-01-10 | 2023-03-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Bicycle saddle with super elastic material member activated vibration isolation |
US11603903B2 (en) | 2020-12-21 | 2023-03-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolation for rotating machines |
US11628898B1 (en) | 2022-01-10 | 2023-04-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolation for bicycle saddle using super elastic material members |
US11927236B2 (en) | 2020-12-21 | 2024-03-12 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolation for rotating machines |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1026358A (en) * | 1963-01-11 | 1966-04-20 | Rover Co Ltd | Suspension of machinery and other bodies |
US3322379A (en) * | 1964-11-03 | 1967-05-30 | Kaman Aircraft Corp | Dynamic antiresonant vibration isolator |
GB1190689A (en) * | 1968-12-24 | 1970-05-06 | Carl Bruns Werkzeugfabrik G M | Improvements in Swing Lever Suspensions, Particularly for Vehicle Seats. |
GB1282213A (en) * | 1970-06-09 | 1972-07-19 | Paul Carlyle Tabor | Improved vehicle seat suspension mechanism |
US3685780A (en) * | 1969-10-30 | 1972-08-22 | Case Co J I | Seat suspension system |
US3711149A (en) * | 1970-07-22 | 1973-01-16 | Seats Inc | Vehicle seat |
US3957243A (en) * | 1975-03-03 | 1976-05-18 | Lear Siegler, Inc. | Latch mechanism for horizontally oscillating seat |
-
1979
- 1979-12-20 US US06/105,631 patent/US4351556A/en not_active Expired - Lifetime
-
1980
- 1980-07-23 CA CA000356880A patent/CA1141644A/en not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1026358A (en) * | 1963-01-11 | 1966-04-20 | Rover Co Ltd | Suspension of machinery and other bodies |
US3322379A (en) * | 1964-11-03 | 1967-05-30 | Kaman Aircraft Corp | Dynamic antiresonant vibration isolator |
GB1190689A (en) * | 1968-12-24 | 1970-05-06 | Carl Bruns Werkzeugfabrik G M | Improvements in Swing Lever Suspensions, Particularly for Vehicle Seats. |
US3685780A (en) * | 1969-10-30 | 1972-08-22 | Case Co J I | Seat suspension system |
GB1282213A (en) * | 1970-06-09 | 1972-07-19 | Paul Carlyle Tabor | Improved vehicle seat suspension mechanism |
US3711149A (en) * | 1970-07-22 | 1973-01-16 | Seats Inc | Vehicle seat |
US3957243A (en) * | 1975-03-03 | 1976-05-18 | Lear Siegler, Inc. | Latch mechanism for horizontally oscillating seat |
Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4828216A (en) * | 1987-06-26 | 1989-05-09 | Seats Incorporated | Floating knee pivot suspension |
US4949930A (en) * | 1987-06-26 | 1990-08-21 | Seats, Inc. | Floating knee pivot suspension |
US4817908A (en) * | 1987-07-29 | 1989-04-04 | Joy Technologies Inc. | Seat suspension for underground mining machines |
EP0542618A1 (en) * | 1991-11-15 | 1993-05-19 | Milsco Manufacturing Company | Vehicle seat suspension with improved compression spring mounting |
US5651585A (en) * | 1994-02-25 | 1997-07-29 | Seats, Inc. | Knee action suspension seat |
US5873627A (en) * | 1996-08-07 | 1999-02-23 | Seats, Inc. | Knee action suspension control seat |
EP1170169A1 (en) * | 2000-07-07 | 2002-01-09 | Thomson Marconi Sonar Sas | Suspension device, in particular for a vehicle seat |
FR2811275A1 (en) * | 2000-07-07 | 2002-01-11 | Thomson Marconi Sonar Sas | SUSPENSION DEVICE, PARTICULARLY FOR VEHICLE SEAT |
US6621694B2 (en) * | 2001-09-07 | 2003-09-16 | Harris Corporation | Vibration tolerant electronic assembly and related methods |
US6909599B2 (en) | 2001-09-07 | 2005-06-21 | Harris Corporation | Vibration tolerant electronic assembly and related methods |
US7070153B1 (en) * | 2002-01-02 | 2006-07-04 | John Kevin Stenard | Shock-limiting interface, compact (SLIC) |
US20070034768A1 (en) * | 2002-01-02 | 2007-02-15 | Stenard John K | Shock-limiting interface, compact (SLIC) |
US7926769B2 (en) | 2002-01-02 | 2011-04-19 | John Stenard | Shock-limiting interface, compact (SLIC) |
US8146899B2 (en) | 2008-01-22 | 2012-04-03 | Exmark Manufacturing Company, Incorporated | Isolation system for a seat or the like, and vehicle incorporating same |
US20110181069A1 (en) * | 2010-01-26 | 2011-07-28 | Mark Kniffin | Active Suspension Seat Floor Plate |
US20110181087A1 (en) * | 2010-01-26 | 2011-07-28 | Mark Kniffin | Active Suspension Seat Skirt |
US8282149B2 (en) * | 2010-01-26 | 2012-10-09 | Bose Corporation | Active suspension seat floor plate |
US8356861B2 (en) | 2010-01-26 | 2013-01-22 | Bose Corporation | Active suspension seat skirt |
US9266453B2 (en) | 2011-01-26 | 2016-02-23 | Grammer Ag | Vehicle vibration means, vehicle seat or passenger cell or vehicle |
EP2481630A3 (en) * | 2011-01-26 | 2014-05-21 | Grammer Ag | Vehicle vibration device, vehicle seat or interior or cabin of a vehicle |
US8899559B2 (en) * | 2011-02-28 | 2014-12-02 | Cvg Management Corporation | Pneumatic operated fore/aft vibration isolator locking device |
WO2012118814A3 (en) * | 2011-02-28 | 2013-05-30 | Cvg Management Corporation | Pneumatic operated fore/aft vibration isolator locking device |
WO2012118814A2 (en) * | 2011-02-28 | 2012-09-07 | Cvg Management Corporation | Pneumatic operated fore/aft vibration isolator locking device |
US20120222930A1 (en) * | 2011-02-28 | 2012-09-06 | Cvg Management Corporation | Pneumatic operated fore/aft vibration isolator locking device |
EP2848463A1 (en) * | 2013-09-02 | 2015-03-18 | Grammer Ag | Vehicle seat with horizontal damping device |
CN104417406A (en) * | 2013-09-02 | 2015-03-18 | 格拉默股份有限公司 | Vehicle seat with horizontal damping device |
CN104210387A (en) * | 2014-08-11 | 2014-12-17 | 东风汽车公司 | Novel anti-thunder hanging seat |
US9499204B1 (en) | 2015-05-05 | 2016-11-22 | The Toro Company | Suspension system and ride-on grounds maintenance vehicle incorporating same |
US9821689B2 (en) | 2016-01-06 | 2017-11-21 | Exmark Manufacturing Company, Incorporated | Operator platform suspension system for turf maintenance vehicle |
EP3388282A1 (en) * | 2017-04-11 | 2018-10-17 | Aguti Produktentwicklung & Design Gmbh | Device for adjusting the height of a vehicle seat |
US10864832B2 (en) | 2017-10-16 | 2020-12-15 | The Toro Company | Grounds maintenance vehicle with adjustable suspension system |
US10371229B2 (en) | 2017-12-14 | 2019-08-06 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolator mechanism with adjustable force-deflection characteristics |
US11137045B2 (en) | 2017-12-14 | 2021-10-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolator with series and/or parallel conical disc spring member arrangements |
US10677310B2 (en) | 2017-12-14 | 2020-06-09 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolator mechanism with adjustable force application mechanism |
US10597092B2 (en) | 2017-12-21 | 2020-03-24 | The Toro Company | Work vehicle and suspension system for use with same |
US10800298B2 (en) * | 2018-08-28 | 2020-10-13 | Deere & Company | Seat suspension system with horizontal movement and dampening |
CN110861541A (en) * | 2018-08-28 | 2020-03-06 | 迪尔公司 | Seat suspension system with horizontal movement and damping |
US20200070693A1 (en) * | 2018-08-28 | 2020-03-05 | Deere & Company | Seat suspension system with horizontal movement and dampening |
US11485437B2 (en) | 2020-11-19 | 2022-11-01 | Toyota Motor Engineering & Manufacturing North America, Inc. | Bicycle saddle with vibration isolators |
US11603903B2 (en) | 2020-12-21 | 2023-03-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolation for rotating machines |
US11927236B2 (en) | 2020-12-21 | 2024-03-12 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolation for rotating machines |
US20220299083A1 (en) * | 2021-03-18 | 2022-09-22 | Toyota Motor Engineering & Manufacturing North America, Inc. | Stacked Disk Spring Vibration Isolator with Increased Lateral Load Capacity |
US11565763B1 (en) | 2022-01-10 | 2023-01-31 | Toyota Motor Engineering & Manufacturing North America. Inc. | Bicycle saddle with spring-based vibration isolation |
US11603153B1 (en) | 2022-01-10 | 2023-03-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Bicycle saddle with super elastic material member activated vibration isolation |
US11628898B1 (en) | 2022-01-10 | 2023-04-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vibration isolation for bicycle saddle using super elastic material members |
Also Published As
Publication number | Publication date |
---|---|
CA1141644A (en) | 1983-02-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4351556A (en) | Seat suspension | |
US5794911A (en) | Adjustable vehicle seat suspension | |
US7152839B2 (en) | Vehicle seating system with improved vibration isolation | |
RO82344A (en) | TRACTOR SEAT OR OTHER VEHICLES WITH MULTIDIRECTIONAL VIBRATION ATTENUATOR | |
US5160121A (en) | Shock absorbing compressional mounting apparatus | |
JP2585595Y2 (en) | Bulldozer Operator Cabin Support Device | |
CA1068207A (en) | Vibration attenuator seat | |
JPH0244583Y2 (en) | ||
US6000593A (en) | Shock absorbing carrier mountable to a vehicle for carrying sports equipment | |
WO1991004881A1 (en) | A seat suspension | |
US3275277A (en) | Vehicle seat | |
US3061260A (en) | Vehicle seat rebound control | |
US3233859A (en) | Resilient mounting for vehicle operator's seat | |
US5395089A (en) | Seat with suspension unit for automotive vehicle | |
US4475707A (en) | Seat suspension system | |
JPH0747828A (en) | Method and device for absorbing resonance vibration of plate spring of suspension device | |
US10076974B2 (en) | Modular forward and rearward seat position adjustment system, with integral vibration isolation system | |
EP0758724B1 (en) | Mounting device | |
SU539514A3 (en) | Vehicle Seat Suspension | |
US3211411A (en) | Vehicle seat | |
US3166337A (en) | Vehicle suspension | |
US20050168046A1 (en) | Method and apparatus for dampening vibrations in an assembly of components | |
EP0042708B1 (en) | Oscillation damping arrangement | |
JPH0228021B2 (en) | SHINDOKYUSHUSOCHI | |
WO2017217945A1 (en) | Damping mechanism for unwanted horizontal movements in addition to vertical suspensions of vehicle seats |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: CONNECTICUT NATIONAL BANK THE, A NATIONAL BANKING Free format text: SECURITY INTEREST;ASSIGNOR:ALLIS-CHALMERS CORPORATION A DE CORP.;REEL/FRAME:004149/0001 Effective date: 19830329 Owner name: WOODS KATHLEEN D., AS TRUSTEE Free format text: SECURITY INTEREST;ASSIGNOR:ALLIS-CHALMERS CORPORATION A DE CORP.;REEL/FRAME:004149/0001 Effective date: 19830329 |
|
AS | Assignment |
Owner name: DEUTZ-ALLIS CORPORATION BOX 933, MILWAUKEE, WI 53 Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ALLIS-CHALMER CORPORATION A DE CORP;REEL/FRAME:004434/0722 Effective date: 19850627 |
|
AS | Assignment |
Owner name: WHIRLPOOL FINANCIAL CORPORATION, A DE CORP., MICHI Free format text: SECURITY INTEREST;ASSIGNOR:DEUTZ-ALLIS CORPORATION;REEL/FRAME:005356/0744 Effective date: 19900621 |
|
AS | Assignment |
Owner name: ITT COMMERCIAL FINANCE CORPORATION, MISSOURI Free format text: SECURITY INTEREST;ASSIGNORS:AGCO CORPORATION;HESSTON CORPORATION;GLEANER-ALLIS CORPORATION ARE COLLECTIVELY THE DEUTZ-ALLIS CORPORATION;REEL/FRAME:006858/0954 Effective date: 19920302 |
|
AS | Assignment |
Owner name: ITT COMMERICAL FINANCE CORP. AS COLLATERAL AGENT, Free format text: SECURITY INTEREST;ASSIGNORS:AGCO CORPORATION A DE CORP.;MASSEY FERGUSON ACQUISITION CORP. A DE CORP.;MASSEY FERGUSON MANUFACTURING LTD A UNITED KINGDOM CORP.;AND OTHERS;REEL/FRAME:007090/0503 Effective date: 19940729 |
|
AS | Assignment |
Owner name: DEUTSCHE FINANCIAL SERVICES CORPORATION, MISSOURI Free format text: SECURITY INTEREST;ASSIGNOR:AGCO CORPORATION;REEL/FRAME:007613/0283 Effective date: 19950524 |
|
AS | Assignment |
Owner name: AGCO CORPORATION, GEORGIA Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSHCE FINANCIAL SERVICES CORPORATION AS COLLATERAL AGENT;REEL/FRAME:008048/0018 Effective date: 19960626 Owner name: MASSEY FERGUSON S.A., UNITED KINGDOM Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSCHE FINANCIAL SERVICES CORPORATION (FORMERLY KNOWN AS ITT COMMERCIAL FINANCE CORP.) AS COLLATERAL AGENT;REEL/FRAME:008430/0448 Effective date: 19960626 Owner name: MASSEY FERGUSON MANUFACTURING LTD., UNITED KINGDOM Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSCHE FINANCIAL SERVICES CORPORATION (FORMERLY KNOWN AS ITT COMMERCIAL FINANCE CORP.) AS COLLATERAL AGENT;REEL/FRAME:008430/0448 Effective date: 19960626 Owner name: AGCO CORPORATION, GEORGIA Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSCHE FINANCIAL SERVICES CORPORATION (FORMERLY KNOWN AS ITT COMMERCIAL FINANCE CORP.) AS COLLATERAL AGENT;REEL/FRAME:008430/0448 Effective date: 19960626 Owner name: MASSEY FERGUSON GROUP LIMITED, UNITED KINGDOM Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSCHE FINANCIAL SERVICES CORPORATION (FORMERLY KNOWN AS ITT COMMERCIAL FINANCE CORP.) AS COLLATERAL AGENT;REEL/FRAME:008430/0448 Effective date: 19960626 Owner name: MASSEY FERGUSON (UNITED KINGDOM) LTD., UNITED KING Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSCHE FINANCIAL SERVICES CORPORATION (FORMERLY KNOWN AS ITT COMMERCIAL FINANCE CORP.) AS COLLATERAL AGENT;REEL/FRAME:008430/0448 Effective date: 19960626 Owner name: MASSEY FERGUSON ACQUISITION CORP., GEORGIA Free format text: RELEASE OF SECURITY AGREEMENT;ASSIGNOR:DEUTSCHE FINANCIAL SERVICES CORPORATION (FORMERLY KNOWN AS ITT COMMERCIAL FINANCE CORP.) AS COLLATERAL AGENT;REEL/FRAME:008430/0448 Effective date: 19960626 |